Home / 108,478.11-162,712.32-29,592.09

Finding the Fourth Proportional to 108,478.11, 162,712.32 and 29,592.09

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Solution

The fourth proportional to 108,478.11, 162,712.32 and 29,592.09 is: 44,386.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,478.11 : 162,712.32 = 29,592.09 : x
  2. Step 2: Convert to fraction form
    108,478.11/162,712.32 = 29,592.09/x
  3. Step 3: Cross multiply
    108,478.11x = 162,712.32 × 29,592.09
  4. Step 4: Simplify right side
    108,478.11x = 4,814,997,617.55
  5. Step 5: Solve for x
    x = 4,814,997,617.55/108,478.11
  6. Step 6: Final answer
    x = 44,386.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.